Finding the Third Proportional to 1,301.91 and 2,789.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.91 : 2,789.86 = 2,789.86 : x
2. Step 2: Convert to fraction form
   1,301.91/2,789.86 = 2,789.86/x
3. Step 3: Cross multiply
   1,301.91x = 2,789.86 × 2,789.86
4. Step 4: Simplify right side
   1,301.91x = 7,783,315.33
5. Step 5: Solve for x
   x = 7,783,315.33/1,301.91
6. Step 6: Final answer
   x = 5,978.40